| article html file updated | 7 February 2020 22:20 CET | Update | https://www.mdpi.com/2076-3417/7/2/131 |
| article html file updated | 23 September 2019 02:04 CEST | Update | - |
| article html file updated | 4 May 2019 13:24 CEST | Update | - |
| article html file updated | 1 March 2017 04:26 CET | Update | - |
| article html file updated | 6 February 2017 11:48 CET | Original file | - |
| article xml uploaded. | 6 February 2017 11:46 CET | Update | https://www.mdpi.com/2076-3417/7/2/131/xml |
| article xml uploaded. | 6 February 2017 11:46 CET | Original file | - |
| article pdf uploaded. | 6 February 2017 11:46 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/131/pdf |
| article pdf uploaded. | 27 January 2017 09:19 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/131/pdf-vor |
